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In order to obtain actual preferred principle of processing parameter about three-roller backward spinning of tube,nonlinear FEA software ANSYS/LS-DYNA is,carried on 3D dynamic simulation,stress analysis and strain analysis to three-roller backward spinning of tube under different processing parameter.

为了确定更为符合实际的筒形件三旋轮强力反旋工艺参数的选用原则，利用大型非线性有限元软件ANSYS/LS-DYNA对不同工艺参数下筒形件三旋轮强力反旋旋压过程进行了动态模拟和应力应变分析。

In this paper, based on nonlinear FEA software ANSYS/LS-DYNA, 3D dynamic simulation models of eighteen-type tubes for backward spinning was established. This paper not only obtained spinning force of tube backward spinning but also obtained the spinning force curves varying with the different reducer ratio, feeds, fillet radius for spinning roller, forming angle and diameter of spinning roller, and diameter blank inner.

以大型非线性有限元软件ANSYS/LS-DYNA为分析平台，通过对18种几何尺寸和参数不同的筒形件三旋轮强力反旋旋压过程的三维动态模拟，得到了它们的旋压力以及旋压力随不同减薄率，旋轮进给量，旋轮圆角半径，旋轮成形角，旋轮直径和毛坯内径的变化曲线。

Square meters has a domestic first-class explosion of complex sites, may use 3.3 meters wide plate mill, 3150 tons, 5 tons of hydraulic machines, 9 roller, 17 roller straightening machine, 8 Units titanium melting furnace, 750Kg steam hammer Units 1, 600KW 4 8M heat treatment furnace, such as large-scale advanced equipment; set of metal composite materials research, production, development, deep processing, and service as a whole, and has formed a unified sound system; in the production of metal composite materials and deep processing of products for more than 3000 tons.

拥有5000平方米国内一流的爆炸复合场地，可利用3.3米宽板轧机，3150吨，5吨油压机，9辊、17辊矫直机，8台钛合金熔炼炉、750Kg汽锤一台，600KW 4×8M热处理炉等大型先进设备；集金属复合材料的科研、生产、开发、深加工、服务等为一体，已形成完善统一的体系；年生产金属复合材料及深加工产品3000吨以上。

At the same time,select three issues carries on solve by the Year 2008's ACM\ICPC finals:air condition machine is description the elbow of air conditioning installation problem,limited the quantity and types of air-conditioning pipe under the conditions of the installation of air-conditioning method;Password suspects,this problem is giving a system password letter combinations possible combinations and length under the conditions,to design an algorithm to calculate the correct arrangement of the password;Steam roller,this problem giving the situation of urban streets,drive steam roller from one point to another point of the shortest path,is used by how many time.

同时，选取了2008年度ACM\ICPC总决赛的三道题目进行求解：空调机器这一题描述的是对空调管的安装问题，在限定空调管数量和型号的条件下空调管可能的安装方法；密码嫌疑这一题求解的是在给定一个系统密码的可能的字母组合和长度的条件下，设计一个算法以算出正确的密码的排列方式；蒸汽压路机这一题是在给出城市道路情况的条件下，求两点间压路机走完最短路径总共所花费多少时间的问题。

Its loading capacity and the support intensity, the chain link size and the roller size, the material quality have the relations, but the roller material quality is a steeliness generally, but some situations to reduce the noise, but uses bears the abrasion the engineering plastics manufacture.

其荷重能力与支架强度、链条大小及滚子尺寸、材质均有关系，而滚子材质一般为钢制，但有些场合为了降低噪音，而采用耐磨耗的工程塑料制造。

The work principle of roller type feed control installment and the stone roller structure was introduced.

介绍了辊式自动送料装置的工作原理，对其尺寸进行了设计计算，并分析了辊式送料的精度，对其送料时间及调整方法进行了讨论。

By the wear imitation test of soft griding machine with steed roller shell or cast stone liner roller stell.

通过对软串机铸石衬板筒壳和钢制筒壳磨损的模拟试验。

The tested roller not straightness and tittup 0.04mm, force 0.02-printing roller tittup force 0.01 — 0.02mm, a printing plate thickness error is 0.02mm, the maximum error is 0.08mm, and 0.02mm-cards and membership cards to make the total pressure, is 0.1mm.

不纬尝试网纹辊不屈度与径跳力0.02—0.04mm，印版辊径跳力0.01—0.02mm，印版薄度误不不差为±0.02mm，最不小误不不差是 0.08mm，再增上0.02mm的制卡和会员卡制作不弛力，总度是0.1mm。

Eight roller guide wire plane continued to attend staple in the post-processing modules for joint-one of eight roller guide wire machine is located guide wire frame and Baptist tank between the tow plane guide wire by this trip into a certain width and tension uniform silk film, and then pumped in procedures.

那个好心的大哥帮小弟翻译一下这个。翻译英文的就可以拉！八辊导丝机是绦纶短纤后处理联合机中的单元机之一，八辊导丝机是位于导丝架和浸油槽之间，丝束经本机导丝行成一定宽度和张力均匀的丝片，然后送入后道工序。

Roller outer surface of the bus is basically a straight line, and with the roller axis line intersecting, usually truncated cone.

滚子外表面的母线基本上是直线，并与滚子轴心线相交，一般为截圆锥体。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。